EP 1302153 A1 20030416 - PUPIL MEASURING DEVICE
Title (en)
PUPIL MEASURING DEVICE
Title (de)
PUPILLENMESSSYSTEM
Title (fr)
DISPOSITIF DE MESURE DE LA PUPILLE
Publication
Application
Priority
- JP 0105880 W 20010706
- JP 2000207216 A 20000707
Abstract (en)
A pupil measuring apparatus comprises a mark 1d placed in a space where a background is observable from the two eyes E; a mark moving device 1e for moving the mark 1d between the two eyes E and the background; an illumination optical system lg for illuminating the two eyes E from the background side; two cameras A, B for respectively imaging the two pupils PP; calculating means 2a to 2e for calculating areas or diameters of the respective pupils thus imaged, from video signals of the two cameras A, B; and a display 3 for providing an output of a graph of change in the areas or diameters calculated against a position of the mark 1d or a time associated with the position on a single screen. <IMAGE>
IPC 1-7
IPC 8 full level
A61B 3/11 (2006.01)
CPC (source: EP US)
A61B 3/11 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1302153 A1 20030416; EP 1302153 A4 20040929; EP 1302153 B1 20080116; AU 6946401 A 20020121; DE 60132459 D1 20080306; DE 60132459 T2 20090108; US 2003098951 A1 20030529; US 2006181679 A1 20060817; US 7083280 B2 20060801; US 7407287 B2 20080805; WO 0203853 A1 20020117
DOCDB simple family (application)
EP 01947880 A 20010706; AU 6946401 A 20010706; DE 60132459 T 20010706; JP 0105880 W 20010706; US 33678203 A 20030106; US 40038506 A 20060410